/* Layout container rộng như trang home */
.single-course-outer-wrapper {
    background: #f8fafc;
    padding: 48px 0 48px 0;
}
.single-course-container {
    max-width: 1200px;
    margin: 0 auto;
}
.row.g-5 {
    --bs-gutter-x: 3rem;
}
.course-card-detail {
    background: #fff;
    border-radius: 18px;
    box-shadow: 0 4px 32px rgba(16,72,112,0.10);
    max-width: 420px;
    margin: 0 auto 0 0;
    padding: 32px 28px 24px 28px;
    position: sticky;
    top: 32px;
}
.course-header-detail {
    border-bottom: 1px solid #e5e7eb;
    margin-bottom: 18px;
    padding-bottom: 12px;
}
.course-title-detail {
    font-size: 2rem;
    font-weight: 700;
    color: #104870;
    margin-bottom: 8px;
}
.course-meta-detail {
    display: flex;
    gap: 18px;
    color: #2563eb;
    font-size: 1rem;
    align-items: center;
}
.course-meta-detail i {
    margin-right: 6px;
}
.course-stats-detail {
    display: flex;
    justify-content: flex-start;
    gap: 32px;
    margin-bottom: 18px;
}
.stat-item-detail {
    background: #fef3c7;
    border-radius: 12px;
    padding: 18px 24px;
    text-align: center;
    min-width: 100px;
}
.stat-number-detail {
    font-size: 1.6rem;
    font-weight: 700;
    color: #f59e0b;
    display: block;
}
.stat-label-detail {
    font-size: 0.98rem;
    color: #6b7280;
}
.course-output-detail {
    margin-bottom: 18px;
}
.course-output-detail h5 {
    color: #104870;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
}
.course-output-detail ul {
    padding-left: 20px;
    margin-bottom: 0;
}
.course-output-detail li {
    color: #22c55e;
    font-size: 1rem;
    margin-bottom: 4px;
    list-style: disc;
}
.course-pricing-detail {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 18px;
}
.original-price-detail {
    color: #9ca3af;
    text-decoration: line-through;
    font-size: 1.1rem;
}
.discounted-price-detail {
    color: #2563eb;
    font-size: 1.5rem;
    font-weight: 700;
}
.discount-badge-detail {
    background: #ef4444;
    color: #fff;
    border-radius: 8px;
    padding: 4px 12px;
    font-size: 1rem;
    font-weight: 600;
}
.cta-buttons-detail {
    display: flex;
    gap: 16px;
    margin-bottom: 10px;
}
.btn-primary-detail {
    background: linear-gradient(90deg,#2563eb,#f59e0b);
    color: #fff;
    border: none;
    border-radius: 24px;
    padding: 12px 32px;
    font-size: 1.1rem;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(37,99,235,0.10);
    transition: background 0.2s, transform 0.2s;
    text-decoration: none;
}
.btn-primary-detail:hover {
    background: linear-gradient(90deg,#104870,#f59e0b);
    transform: translateY(-2px) scale(1.03);
}
.btn-outline-detail {
    background: #fff;
    color: #2563eb;
    border: 2px solid #2563eb;
    border-radius: 24px;
    padding: 12px 32px;
    font-size: 1.1rem;
    font-weight: 600;
    transition: background 0.2s, color 0.2s, border 0.2s;
    text-decoration: none;
}
.btn-outline-detail:hover {
    background: #2563eb;
    color: #fff;
    border-color: #2563eb;
}
.course-editor-detail {
    background: #fff;
    border-radius: 18px;
    box-shadow: 0 4px 32px rgba(16,72,112,0.08);
    padding: 32px 32px 24px 32px;
    color: #374151;
    font-size: 1.08rem;
    min-height: 320px;
}
@media (max-width: 991.98px) {
    .single-course-container {
        max-width: 100%;
        padding: 0 10px;
    }
    .course-card-detail {
        max-width: 100%;
        margin-bottom: 32px;
        position: static;
        top: unset;
    }
    .course-editor-detail {
        padding: 18px 10px 16px 10px;
        font-size: 1rem;
    }
}
@media (max-width: 600px) {
    .single-course-outer-wrapper {
        padding: 18px 0 18px 0;
    }
    .course-card-detail {
        padding: 18px 6px 16px 6px;
        margin-bottom: 18px;
    }
    .course-title-detail {
        font-size: 1.3rem;
    }
    .course-meta-detail {
        flex-direction: column;
        gap: 6px;
        font-size: 0.98rem;
    }
    .course-stats-detail {
        gap: 10px;
    }
    .stat-item-detail {
        padding: 10px 10px;
        min-width: 70px;
    }
    .cta-buttons-detail {
        flex-direction: column;
        gap: 8px;
    }
    .course-editor-detail {
        font-size: 0.98rem;
        padding: 12px 4px 10px 4px;
    }
}